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116817-79-9

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116817-79-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 116817-79-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,6,8,1 and 7 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 116817-79:
(8*1)+(7*1)+(6*6)+(5*8)+(4*1)+(3*7)+(2*7)+(1*9)=139
139 % 10 = 9
So 116817-79-9 is a valid CAS Registry Number.

116817-79-9Downstream Products

116817-79-9Relevant articles and documents

METHOD FOR PRODUCING DULOXETINE HYDROCHLORIDE

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, (2017/05/05)

PROBLEM TO BE SOLVED: To provide a new method for producing (S)-(+)-N-methyl-3-(1-naphthyloxy)-3-(2-thienyl)propylamine hydrochloride (general name: duloxetine hydrochloride) useful as an antidepressant. SOLUTION: In a method for producing duloxetine hydrochloride, a solution obtained by dissolving a crude product containing duloxetine hydrochloride in a dissolving solvent (a first dissolution step) and acetone are mixed (a mixing step), the duloxetine hydrochloride precipitated in the obtained mixed solution is temporarily dissolved (a second dissolution step), and then the duloxetine hydrochloride is precipitated. SELECTED DRAWING: None COPYRIGHT: (C)2017,JPOandINPIT

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